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12380268245 = 54359975977
BaseRepresentation
bin10111000011110101…
…11110011011010101
31011221210122210022112
423201322332123111
5200323322040440
65404252040405
7615536354342
oct134172763325
934853583275
1012380268245
11528337a854
122496163105
131223b87b17
148563277c9
154c6d37965
hex2e1ebe6d5

12380268245 has 16 divisors (see below), whose sum is σ = 15459491520. Its totient is φ = 9509910144.

The previous prime is 12380268233. The next prime is 12380268247. The reversal of 12380268245 is 54286208321.

It is a cyclic number.

It is not a de Polignac number, because 12380268245 - 214 = 12380251861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380268247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475304 + ... + 500673.

It is an arithmetic number, because the mean of its divisors is an integer number (966218220).

Almost surely, 212380268245 is an apocalyptic number.

It is an amenable number.

12380268245 is a deficient number, since it is larger than the sum of its proper divisors (3079223275).

12380268245 is an equidigital number, since it uses as much as digits as its factorization.

12380268245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976084.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 12380268245 in words is "twelve billion, three hundred eighty million, two hundred sixty-eight thousand, two hundred forty-five".

Divisors: 1 5 43 59 215 295 2537 12685 975977 4879885 41967011 57582643 209835055 287913215 2476053649 12380268245